1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 55e5e32060..931770312c 100644
--- a/configure.in
+++ b/configure.in
@@ -850,7 +850,7 @@ AC_ARG_ENABLE(v4-mapped,APACHE_HELP_STRING(--enable-v4-mapped,Allow IPv6 sockets
 ],
 [
     case $host in
-    *freebsd[1234].*)
+    *freebsd[[1234]].*)
         v4mapped=yes
         ;;
     *freebsd*|*netbsd*|*openbsd*)